Error: Cannot find module 'iconv-lite'

E:\workspace_20180125\travel-app\travel-app>npm start
> [email protected] start E:\workspace_20180125\travel-app\travel-app
> npm run dev
> [email protected] dev E:\workspace_20180125\travel-app\travel-app
> webpack-dev-server --inline --progress --config build/webpack.dev.conf.js
module.js:549
    throw err;
    ^

Error: Cannot find module 'iconv-lite'
    at Function.Module._resolveFilename (module.js:547:15)
    at Function.Module._load (module.js:474:25)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at Object. (E:\workspace_20180125\travel-app\travel-app\node_modules\raw-body\index.js:17:13)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] dev: `webpack-dev-server --inline --progress --config build/webpack.dev.conf.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.


npm ERR! A complete log of this run can be found in:

npm ERR!     C:\Users\Administrator\AppData\Roaming\npm-cache\_logs\2018-03-28T06_22_39_764Z-debug.log

解决方案：npm i iconv-lite